PDF static analysis report

Static analysis result for SHA-256 2b559f8877e3fd03…

SUSPICIOUS

PDF

33.9 KB Created: 2021-07-19 01:06:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: b801c0d7fd061afd23fbe868a3ada60e SHA-1: c7f80e26ce56c744ed2525c9c21c6a768a73f4d7 SHA-256: 2b559f8877e3fd03c9edc81d41719a97fcffefb757cb5f82aaf1dcb32aa29e24
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action button, strongly suggesting a phishing or social engineering attempt. The primary URL, http://netcdn.tw/app/835599320/freer-tiktok-game-hack, is presented as a lure for a 'free TikTok game hack'. While no scripts were explicitly extracted, the ML classifier flagged this PDF as malicious, and the presence of multiple suspicious URLs indicates a high likelihood of a malicious download or redirection. The document's content and structure align with a spearphishing attachment tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9625

Heuristics 3

  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.tw/app/835599320/freer-tiktok-game-hack PDF link annotation
    • https://infocorrosion.com/images/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • https://infocorrosion.com/images/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • https://infocorrosion.com/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://infocorrosion.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000030be.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30BE 23404 bytes
SHA-256: cd9b2eb47ac04cb4fae81f4192068ac28ef81f00d505dac66d925b539e1183fc
font_01_sfnt_off0000659b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x659B 17456 bytes
SHA-256: eee1edbfcd64309e57980115a02bab568c84f21b085b7ef169a7723337a1b17d

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